Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e08y0je/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1464c254-2e65-4bf8-ac9d-bc1880066602",
      "cw-bcd57968-01f9-4b6f-94dd-8ffda944d6a1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ebc88b1b-1a7a-4db5-b873-f0e9bb4f87d5",
    "manifestId": "https://dam.iuav.it/iuav/containers/e08y0je/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bcd57968-01f9-4b6f-94dd-8ffda944d6a1"
  }
}